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BOSTON MARATHON 2025

Mikelle Ackerley

Bib: 9795•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7639
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
42:30
Rank: #6678 (+961)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:03:18
Rank: #6112 (+566)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:24:27
Rank: #5914 (+198)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:29:05
Rank: #5916 (-2)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:26
Rank: #6180 (-264)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:11:07
Rank: #6884 (-704)
25K → 30K
24:41 | 7:57/mi
20M
2:22:31
Rank: #7239 (-355)
30K → 20M
11:24 | 8:23/mi
21M
2:31:32
Rank: #7500 (-261)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:39:30
Rank: #8345 (-845)
21M → 35K
7:58 | 10:39/mi
23M
2:53:06
Rank: #9724 (-1379)
35K → 23M
13:36 | 10:52/mi
24M
3:04:19
Rank: #10865 (-1141)
23M → 24M
11:13 | 11:13/mi
40K· 24.85 mi
3:14:29
Rank: #11902 (-1037)
24M → 40K
10:10 | 11:53/mi
25.2M
3:18:06
Rank: #12040 (-138)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:26:44
Rank: #12197 (-157)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:57:39
Pace8:58 /mi
📊Positive Split: 32.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3921:406:5821:40
6:58
-
10K
6.21 mi11:08:2942:306:5020:50
6:42
-0:16
15K
9.32 mi11:29:171:03:186:4720:48
6:42
0:00
20K
12.43 mi11:50:261:24:276:4821:09
6:48
+0:06
Half
13.11 mi11:55:041:29:056:484:38
6:47
-0:01
25K
15.53 mi12:12:251:46:266:5117:21
7:09
+0:22
30K
18.64 mi12:37:062:11:077:0224:41
7:57
+0:48
20M
20.00 mi12:48:302:22:317:0811:24
8:23
+0:26
21M
21.00 mi12:57:312:31:327:139:01
9:01
+0:38
35K
21.75 mi13:05:292:39:307:207:58
10:39
+1:38
23M
23.00 mi13:19:052:53:067:3213:36
10:52
+0:13
24M
24.00 mi13:30:183:04:197:4111:13
11:13
+0:21
40K
24.85 mi13:40:283:14:297:4910:10
11:53
+0:40
25.2M
25.20 mi13:44:053:18:067:523:37
10:29
-1:24
Finish
26.22 mi13:52:433:26:447:538:38
8:28
-2:01

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:42 /mi

Average Pace

7:53 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:26

51% of race

Time at Steady Pace

53:44

26% of race

Time at Slower Pace

46:34

23% of race

Average Pace: 7:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:47:3921:406:5821:40
6:58
#7639
10K
6.21 mi11:08:2942:306:5020:50
6:42
#6678
15K
9.32 mi11:29:171:03:186:4720:48
6:42
#6112
20K
12.43 mi11:50:261:24:276:4821:09
6:48
#5914
Half
13.11 mi11:55:041:29:056:484:38
6:47
#5916
25K
15.53 mi12:12:251:46:266:5117:21
7:09
#6180
30K
18.64 mi12:37:062:11:077:0224:41
7:57
#6884
20M
20.00 mi12:48:302:22:317:0811:24
8:23
#7239
21M
21.00 mi12:57:312:31:327:139:01
9:01
#7500
35K
21.75 mi13:05:292:39:307:207:58
10:39
#8345
23M
23.00 mi13:19:052:53:067:3213:36
10:52
#9724
24M
24.00 mi13:30:183:04:197:4111:13
11:13
#10865
40K
24.85 mi13:40:283:14:297:4910:10
11:53
#11902
25.2M
25.20 mi13:44:053:18:067:523:37
10:29
#12040
Finish
26.22 mi13:52:433:26:447:538:38
8:28
#12197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76398718715048(Top 18%)353(Top 3%)353(Top 6%)
10K6.21 mi3.10 mi6678+961621+250621+2505416(Top 19%)404(Top 3%)404(Top 7%)
15K9.32 mi3.11 mi6112+566504+117504+1175048(Top 18%)353(Top 3%)353(Top 6%)
20K12.43 mi3.11 mi5914+198488+16488+165394(Top 19%)439(Top 4%)439(Top 8%)
Half13.11 mi0.68 mi5916-2486+2486+26182(Top 22%)595(Top 5%)595(Top 11%)
25K15.53 mi2.42 mi6180-264568-82568-827333(Top 26%)977(Top 8%)977(Top 18%)
30K18.64 mi3.11 mi6884-704748-180748-18011006(Top 39%)2793(Top 23%)2793(Top 51%)
20M20.00 mi1.36 mi7239-355875-127875-12713090(Top 46%)4025(Top 33%)4025(Top 74%)
21M21.00 mi1.00 mi7500-261997-122997-12213622(Top 48%)4417(Top 36%)4417(Top 81%)
35K21.75 mi0.75 mi8345-8451325-3281325-32823482(Top 83%)9791(Top 80%)9791(Top 179%)
23M23.00 mi1.25 mi9724-13791966-6411966-64122909(Top 81%)9548(Top 78%)9548(Top 175%)
24M24.00 mi1.00 mi10865-11412579-6132579-61324424(Top 86%)10335(Top 85%)10335(Top 189%)
40K24.85 mi0.85 mi11902-10373163-5843163-58424748(Top 87%)10547(Top 86%)10547(Top 193%)
25.2M25.20 mi0.35 mi12040-1383245-823245-8218957(Top 67%)7596(Top 62%)7596(Top 139%)
Finish26.22 mi1.02 mi12197-1573351-1063351-10616035(Top 56%)6030(Top 49%)6030(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5048

Females

353

F18-39

353

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5416

Females

404

F18-39

404

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5048

Females

353

F18-39

353

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5394

Females

439

F18-39

439

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6182

Females

595

F18-39

595

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7333

Females

977

F18-39

977

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11006

Females

2793

F18-39

2793

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13090

Females

4025

F18-39

4025

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13622

Females

4417

F18-39

4417

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23482

Females

9791

F18-39

9791

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22909

Females

9548

F18-39

9548

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24424

Females

10335

F18-39

10335

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24748

Females

10547

F18-39

10547

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18957

Females

7596

F18-39

7596

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

16035

Females

6030

F18-39

6030

Passing Analysis

Category:
Athletes Passed
2035
Passed By
6591
Net Change
-4558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7639
5K → 10K9654+961#7639#6678
10K → 15K5759+566#6678#6112
15K → 20K24244+198#6112#5914
20K → Half2224-2#5914#5916
Half → 25K72336-264#5916#6180
25K → 30K47751-704#6180#6884
30K → 20M32387-355#6884#7239
20M → 21M27288-261#7239#7500
21M → 35K0845-845#7500#8345
35K → 23M51384-1379#8345#9724
23M → 24M81147-1141#9724#10865
24M → 40K41041-1037#10865#11902
40K → 25.2M8146-138#11902#12040
25.2M → Finish28185-157#12040#12197
TOTALS20356591-4558
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing